Plessey Masterline PKS1 616

AT EXTENSION 10 ONLY WHEN THE EXTENSION IS IDLE
1. Lift the name card covering the DSS keys (F1-F16)
2. Press the WR button with a pen or pencil
3. Press the clock key
4. Example:
09.30 A.M. - Key 0930
09.30 P.M. - Key #0930
Press the * Key
Press the #Key
Press the WR button
5. After 10 seconds the new time will appear on all display phones. Replace the name card.